How does the author use imagery in the novel, Transcription?

Examples of Imagery:

"The fog had a greasy, gaseous feel now and it stifled sound so you couldn't be entirely sure of anything. Juliet could feel it trying to creep into her lungs, into her brain" (267).

And that was how they slept, modestly side by side, as chaste as effigies on an icy tomb. She was not to be plowed, but left fallow and parched.